On Wed, Oct 23, 2013 at 8:54 AM, Jacob Peck <[email protected]> wrote:
>
So, I wrote a function that will create a hierarchy of nodes with a list of
given headlines.
Interesting.
>
With the proper undo code added, I think that it would be right at home as
c.create_node_hierarchy
...
I agree.
>
I would find this immensely useful in the API. Currently I have to
redefine it in each outline I want to use it in.
No, you don't. Just add an @command node in myLeoSettings.leo::
+ @settings
+ @commands
+ @command create-hierarchy
>
I'd add it myself, but I don't understand the undo code for the life of
me...
As a fairly advance Leo script writer, it's time for you to mine Leo's
source code for patterns. This is what I do.
The clone-find-all command creates a tree of nodes, so it would be a good
place to look. After a bit of searching, I found:
@file leoFind.py-->class leoFind-->Find/change utils-->
findAll & helper (leoFind)
Take a look at this node. The pattern is, in essence::
u = c.undoer
undoType = 'Name of command, for the undo menu'
...
undoData = u.beforeInsertNode(c.p)
found = self.createCloneFindAllNode()
...
u.afterInsertNode(found,undoType,undoData,dirtyVnodeList=[])
Your code will be something similar. There is no need to understand the
undo code in detail.
Give it a try, and feel free to ask questions. This will never be in the
tutorial, and even if it were, you're ready to fly on your own now.
Edward
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